Cold Rolled Steel Sheets and Coils of Good Quality

Cold Rolled Steel Sheets and Coils of Good Quality System 1

Cold Rolled Steel Sheets and Coils of Good Quality

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 100000 m.t./month

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1.Structure of Cold Rolled Steel Description：

The raw material of cold rolled steel coil/sheet is high quality hot rolled product, and after pickling continuous rolling, degreasing, annealing,skin pass,slitting and cut to length line etc. Along with it many kinds of new technology and new process of global cold rolling production have been applied. Therefore the quality of the goods could be guaranteed. The product is widely used in outdoor and interior decoration, furnishing manufacturing, home appliance, automobile etc.

2.Main Features of the Cold Rolled Steel：

• Excellent process capability

• Smooth and flat surface

• Workability, durability

• Excellent heat resistance performance

• High strength

• Good formability

• Good visual effect

3.Cold Rolled Steel Images

Cold Rolled Steel Sheets and Coils of Good Quality

4.Cold Rolled Steel Specification

Standard:AISI,ASTM,DIN,GB,JIS,JIS G3302 ASTM 653M EN10142

Grade: Q195~Q345

Thickness: 0.16mm~1.5mm,0.16-1.5mm

Width: 1250,600-1250mm

Coil weight:3-12 MT

Coil ID:508/610mm

Chemical composition:

5.FAQ of Cold Rolled Steel

We have organized several common questions for our clients，may help you sincerely：

1.How about your company？

A world class manufacturer & supplier of castings forging in carbon steel and alloy steel，is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.

2. How long can we receive the product after purchase?

Usually within thirty working days after receiving buyer’s advance payment or LC. We will arrange the factory manufacturing as soon as possible. The cargo readiness usually takes 15-25 days, but the shipment will depend on the vessel situation.

3.What advantages does your company have？

Cement : Annual capacity of 400 million tons, No. 1 in the world

Fiberglass: Annual capacity of 1 million tons fiberglass, No. 1 in the world.

Composite Materials — Carbon Fiber: Annual capacity of 10,000 tons PAN precursor and 4,000 tons carbon fiber, No. 1 in China

Composite Materials — Rotor Blade: Annual production capacity of 15,000 pieces, No.1 in China, Top3 worldwide

Glass: CNBM owns about 20 modern float glass product`ion lines, With annual capacity of 10 million square meters glass.

Light Weight Building Materials: Annual capacity of 1.65 billion square meters of gypsum board, No. 1 in the world.

Commercial concrete: Annual capacity of 0.35 billion cubic meters, No. 1 in the world.

Refractory Material: Annual capacity of 40,000 tons casting refractory, No.1 in the world.

Q: How are steel coils inspected for coil weight accuracy?: Steel coils are inspected for coil weight accuracy through the use of weighing scales or load cells. These devices are placed beneath the coil during the inspection process to accurately measure its weight.

Q: i need some ideas of what material could replace iron or steel to make fridges, stoves, dishwashers, tractors, aircrafts, cars and buses and anything else that is made of iron and steel. anything is greatly appreciated as at the moment i have no idea what to put down.: Material selection is a complex area. Iron and steel are very good materials in terms of their strength, stiffness and hardness (especially when compared to their density to give specific strength/stiffness. They are also relatively cheap and the economics of material selection is often the over-riding criteria. Each individual substitution has to be considered on the merits of what the component has to do and the environment in which it operates and often to replace steel with, say, aluminium, might not be appropriate or might require a redesign of the component to accomodate the lower strength and stiffness. Take one of your examples of a dishwasher; To replace the (cheap and thin) steel outer casing with aluminium would require thicker sheet to achieve the same stiffness. To replace the stainless steel inner you would need a corrosion resistant material (which rules out aluminium) which can be easily fabricated to shape. Nickel alloys would be harder to process and very expensive, but you might be able to use a bronze alloy. If you have time look in the library for a book on materials selection by Ashby - one of the best texts on the subject.

Q: What are the different types of steel coil surface treatments for corrosion resistance?: There are several different types of steel coil surface treatments that are used to enhance corrosion resistance. These treatments are applied to the surface of the steel coil to create a protective layer that prevents corrosion and extends the lifespan of the steel. Some of the common types of surface treatments for corrosion resistance include: 1. Galvanizing: This is one of the most popular and effective methods for protecting steel against corrosion. In this process, a layer of zinc is applied to the surface of the steel coil. The zinc acts as a sacrificial anode, corroding before the steel does, thus protecting it from rust and corrosion. 2. Chromate conversion coating: This treatment involves applying a chromate-based solution to the surface of the steel coil. The chromate forms a thin film on the steel, providing a protective barrier against corrosion. It also enhances the adhesion of paint or other coatings that may be applied later. 3. Phosphating: Phosphating is a process where a phosphate coating is applied to the steel coil. This coating provides excellent corrosion resistance by forming a chemical bond with the steel surface. It also improves the adhesion of subsequent coatings or paints. 4. Organic coatings: These coatings, such as paint or epoxy, are applied to the steel coil to create a barrier between the steel and the surrounding environment. They provide both corrosion resistance and aesthetic appeal. The choice of organic coating depends on the specific application and the desired level of corrosion protection. 5. Zinc-rich paint: Similar to galvanizing, zinc-rich paint contains a high concentration of zinc particles. When applied to the steel coil, the zinc particles provide sacrificial protection, preventing corrosion. This coating is often used in harsh environments or for steel coils that will be exposed to frequent moisture or saltwater. It is important to note that the choice of surface treatment depends on various factors such as the application, environment, budget, and required level of corrosion resistance. Consulting with a steel coil manufacturer or corrosion specialist is recommended to determine the most suitable treatment for a specific situation.

Q: What are the common defects found in steel coils?: Some common defects found in steel coils include surface defects such as scratches, pits, or dents, as well as edge defects like burrs or cracks. Other defects can include coil set or crossbow, which refers to the shape of the coil being out of alignment or having a curved shape. Additionally, defects such as oil or rust stains, laminations, or variations in thickness can also be found in steel coils.

Q: What are the dimensions and weight range of steel coils?: Steel coils can come in various dimensions and weight ranges depending on the intended use and industry requirements. The dimensions of steel coils typically range from 0.15mm to 3.5mm in thickness, and from 600mm to 2,000mm in width. The weight range of steel coils can vary widely, but commonly falls between 5 and 25 metric tons. The specific dimensions and weight range of steel coils are determined by factors such as the type of steel, the production method, and the desired application.

Q: I have a set of Ben Hogan Apex Plus Forged Irons, how can i figure out if the shafts are steel or graphite?: Steel shafts should have a shaft band just below the grip area on the shaft....Graphite should have a label that looks like it is a Decal that is readable on the shaft. If still confused take to any good golf store...they will be able to Identify the shaft material in no time at all

Q: How do steel coils contribute to sustainability in construction?: Steel coils contribute to sustainability in construction in several ways. Firstly, steel is a highly durable and long-lasting material, which means that structures built using steel coils have a longer lifespan and require fewer repairs and replacements. This reduces the overall environmental impact associated with construction activities. Additionally, steel is a highly recyclable material, with most steel coils containing a significant amount of recycled content. This promotes a circular economy and reduces the demand for new raw materials. Moreover, steel coils are lightweight and versatile, allowing for more efficient transportation and installation, thereby reducing energy consumption and emissions during construction. Overall, the use of steel coils in construction promotes sustainability by offering durability, recyclability, and energy efficiency.

Q: How are steel coils used in the production of automotive engine components?: Steel coils are used in the production of automotive engine components by being processed and shaped into various parts, such as pistons, crankshafts, and connecting rods. The coils are first cut, stamped, and formed into the desired shapes, and then undergo heat treatment and other machining processes to enhance their strength and durability. These components are crucial for the proper functioning of an automotive engine, as they provide structural support and help convert the energy generated by the combustion process into mechanical motion.

Q: given the buoyant economic growth of india, what you guys think about steel industry? what can be the major issues in this industry in the coming days: Since2003, India has been the largest sponge iron producer in the world. In 2005, out of total global production of 56.05 mt of sponge iron, India produced around 11.1 mt (19.8%). In line with production target of 110 mt of steel (National Steel Policy) by FY20, many steel producers have announced their capacity expansion plans by signing MOUs with various state governments like Chattisgarh, Orissa and Jharkhand. The steel producers are expected to add around 8 mt of capacity by FY 08. CARE estimates that during 2006-09, demand for steel in the domestic market would grow at a CAGR of 8.4%. HR steel because of its widespread applicability is expected to grow at a CAGR of 17.5%. During this period, major demand drivers would be Consumer durables, Automobiles and Construction. Domestically, steel prices of flat products follow the international trend. Globally, steel prices are expected to firm up with continued growth in steel consumption. Further, the winds of consolidation have gathered pace with Arcelor-Mittal merger and latest acquisition of Corus by Tata Steel. The Indian steel industry has announced huge capacity expansions. With commissioning of these capacities demand-capacity ratio is expected to decline in FY 09 due to excess capacity. Will this lead to a drop in prices with commissioning of these capacities? With China and India becoming the focus of major global steel companies, will the consolidation of steel industry in these countries continue? For comprehensive analysis and CARE’s future outlook on the sector, please refer to the exhaustive report on the Indian Steel Industry by CARE Research.

Q: How do steel coils contribute to sustainability in manufacturing?: Steel coils contribute to sustainability in manufacturing in several ways. Firstly, steel is a highly recyclable material, meaning that steel coils can be easily recycled and reused, reducing the need for new steel production and conserving natural resources. Additionally, steel is known for its durability and strength, resulting in longer-lasting products and reduced waste. Steel coils also play a vital role in energy-efficient manufacturing processes, as they can be easily formed into various shapes and sizes, optimizing material usage and minimizing energy consumption. Furthermore, steel's versatility makes it suitable for a wide range of applications, allowing manufacturers to create more sustainable products across industries. Overall, steel coils contribute to sustainability by promoting resource conservation, waste reduction, energy efficiency, and the production of durable and eco-friendly products.

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